Due to the special requirements of the library, three-dimensional library design in the large steel platform, leaving both the lower channel, but also improve the overall aesthetics, has been recognized and praised. It is easy to control and manage, especially the use of computer, not only can realize the automatic control of all the operation process, but also can carry on the information processing, realize the "first come first out" of the inventory item and is helpful to prevent the goods and the material Lost and damaged.